stdlib: Fix LupvBoard to inherit from AbstractSystemBoard

In this patch:, the
AbstractBoard was refactored. While all otherboards were updated
correctly, the LupvBoard was not. This caused the nightly tests to

This patch corrects this issue.

Change-Id: Icac39d48358daf4acb2f7077f5d3e8871320812e
Tested-by: kokoro <>
Reviewed-by: Jason Lowe-Power <>
Maintainer: Bobby Bruce <>
1 file changed